National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

74°F

23°C

Humidity 67%
Wind Speed S 16 mph
Barometer 29.84 in (1009.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 May 2:53 am CDT
Extended Forecast for

Lucas TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 89. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 89 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 10pm and 4am. Mostly cloudy, with a low around 71. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 89. South wind around 20 mph, with gusts as high as 30 mph.

    High: 89 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. South wind around 15 mph, with gusts as high as 30 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 89. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 89 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 88 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 89. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A slight chance of showers and thunderstorms between 10pm and 4am. Mostly cloudy, with a low around 71. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 89. South wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 72. South wind around 15 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 89. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. South wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 88. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lucas TX
 33.08°N 96.57°W (Elev. 499 ft)
Last Update:
1:26 am CDT May 15, 2026
Forecast Valid:
3am CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation